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5720145 = 35381343
BaseRepresentation
bin10101110100100001010001
3101202121120020
4111310201101
52431021040
6322334053
766422544
oct25644121
911677506
105720145
1132576a2
121aba329
131253802
14a8c85b
1577ecd0
hex574851

5720145 has 8 divisors (see below), whose sum is σ = 9152256. Its totient is φ = 3050736.

The previous prime is 5720137. The next prime is 5720147. The reversal of 5720145 is 5410275.

5720145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5720145 - 23 = 5720137 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5720147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190657 + ... + 190686.

It is an arithmetic number, because the mean of its divisors is an integer number (1144032).

Almost surely, 25720145 is an apocalyptic number.

It is an amenable number.

5720145 is a deficient number, since it is larger than the sum of its proper divisors (3432111).

5720145 is a wasteful number, since it uses less digits than its factorization.

5720145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381351.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 5720145 is about 2391.6824622010. The cubic root of 5720145 is about 178.8417919016.

It can be divided in two parts, 57 and 20145, that added together give a palindrome (20202).

The spelling of 5720145 in words is "five million, seven hundred twenty thousand, one hundred forty-five".

Divisors: 1 3 5 15 381343 1144029 1906715 5720145